How Have Climates Changed Over Time

question 25

Multiple Choice

How have climates changed over time?

• A)Regions on the continents that are experiencing warm climates today have generally experienced colder climates in the past,and vice versa.
• B)Regions on the continents that are experiencing warm climates today generally experienced even warmer climates in the past,and vice versa.
• C)Most continents have experienced consistently cold climates from the past to the present.
• D)Most continents have experienced consistently warm climates from the past to the present.

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Definitions:

Market

Any structure that allows buyers and sellers to exchange any type of goods, services, and information.

Medallions

Licenses or permits, often used in reference to the system regulating taxis where a limited number of medallions are issued, granting the right to operate a cab.

Price Floor

A government-imposed minimum price for goods or services, intended to prevent prices from falling below a certain level.

Market-clearing Price

The price at which the quantity demanded by buyers equals the quantity supplied by sellers, eliminating any surplus or shortage in the market.